Error: Assigning the return value of new by reference is deprecated

1. require()
   /var/www/vhosts/sophus.lt/httpdocs/bin/app.config.php:42

2. require()
   /var/www/vhosts/sophus.lt/httpdocs/bin/class.master.php:3

3. require()
   /var/www/vhosts/sophus.lt/httpdocs/index.php:3